2023 – IR-4 Project

The IR-4 Project Helps Growers Gain Ground on Lettuce Drop

Posted on August 30, 2023August 30, 2023 — David Kuack

In 2022, EPA approved the use of mandestrobin on lettuce for protection against lettuce drop.

Posted on August 17, 2023August 17, 2023 — Hannah Ross

Watch the new video and submit your nominations.

Posted on July 28, 2023July 28, 2023 — Raven E. Baez

Learn more about this gregarious Western Region Lab Analyst.

Posted on July 27, 2023 — Hannah Ross

We invite stakeholders to learn more and get involved in our research cycle.

Posted on June 19, 2023August 7, 2023 — Hannah Ross

Join us in honoring our external partners through the SOAR award.

Posted on June 13, 2023June 13, 2023 — Hannah Ross

Fellows from four countries visited IR-4 in May to learn about MRL harmonization through a USDA-FAS program.

Posted on June 7, 2023July 26, 2023 — Savanah Webb

Learn more about this excellent North Central Region FRD.

Posted on May 9, 2023May 12, 2023 — Hannah Ross

Ethalfluralin has been approved by EPA for use on hemp seed; this is the first conventional pest management option for hemp growers.

Posted on May 3, 2023May 4, 2023 — Hannah Ross

Congratulations on this well-deserved recognition, Bernie!

Posted on March 31, 2023March 31, 2023 — David Kuack

Isofetamid is now an option for rusty root disease management on ginseng. Learn about IR-4’s work securing this new use through EPA.